The answer is B. Use the trig identity (sin x)^2+(cos x)^2=1. Since cos x=0.3090, sinx=+-\sqrt(1^2-0.3090^2)=+-0.9511. Since 0<x<90, sin x must be positive, so sin x=0.9511. tan x=sin x/cos x=0.9511/0.3090=3.0780.

5 0

3 years ago

2th grade Student 1+1=11?!? my teacher told me that

Anettt [7]

Answer:

Not much sure if this is a joke but 1+1 is 2 not 11.

Step-by-step explanation:

I hope I helped.

Have a great day ;)

6 0

3 years ago

What is the solution of d²–12 = 0?

Mkey [24]

d²-12=0

d²=12

d=√12

d=3.46..

Hope it helps! :)

Brainliest?

6 0

3 years ago